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Loss of correlated proteasomal subunit expression selectively promotes the 20S state which underlies luminal breast tumorigenicity.
Commun Biol
January 2025
Protein Interactome Laboratory for Structural and Functional Biology, Advanced Centre for Treatment, Research and Education in Cancer, Navi Mumbai, India.
Why cancer cells disproportionately accumulate polyubiquitinated proteotoxic proteins despite high proteasomal activity is an outstanding question. While mis-regulated ubiquitination is a contributing factor, here we show that a structurally-perturbed and sub-optimally functioning proteasome is at the core of altered proteostasis in tumors. By integrating the gene coexpression signatures of proteasomal subunits in breast cancer (BrCa) patient tissues with the atomistic details of 26S holocomplex, we find that the transcriptional deregulation induced-stoichiometric imbalances perpetuate with disease severity.
View Article and Find Full Text PDFLaparoscopic wedge resection of a descending duodenal gastrointestinal stromal tumor under endoscopic nasobiliary drainage guidance: A case report.
Int J Surg Case Rep
January 2025
Department of Surgery, Inje University Haeundae Paik Hospital, 875 Haeundae-ro, Haeundae-gu, Busan 48108, Republic of Korea. Electronic address:
Introduction: Gastrointestinal stromal tumors (GIST), which occur anywhere in the gastrointestinal (GI) tract, typically occur in the stomach and small intestine but rarely in the duodenum. We present a case report wherein a descending duodenal GIST was treated with a limited, minimally invasive surgery after endoscopic nasobiliary drainage (ENBD) insertion.
Presentation Of Case: A 67-year-old woman visited our hospital with an incidentally discovered duodenal tumor.
A systematic study of the effect of measurement parameters on determination of osteocyte lacunar properties using laboratory X-ray micro-computed tomography.
Bone
January 2025
Dept. Chemistry and iNANO, Aarhus University, Langelandsgade 140, 8000 Aarhus, Denmark. Electronic address:
Accurate 3D characterization of osteocyte lacunae is important when investigating the role of osteocytes under various physiological and pathological conditions but remains a challenge. With the continued development of laboratory X-ray micro-computed tomography, an increasing number of studies employ these techniques beyond traditional bone morphometry to quantify osteocyte lacunae. However, there is a lack of knowledge on the effect of measurement parameters on the image quality and resolution and in turn the osteocyte lacunae quantification.
View Article and Find Full Text PDFGene expression profiling to uncover prognostic and therapeutic targets in colon cancer, combined with docking and dynamics studies to discover potent anticancer inhibitor.
Comput Biol Chem
January 2025
School of Computational and Integrative Sciences, Jawaharlal Nehru University, New Delhi 110067, India. Electronic address:
Drug resistance poses a major obstacle to the efficient treatment of colorectal cancer (CRC), which is one of the cancers that kill people most often in the United States. Advanced colorectal cancer patients frequently pass away from the illness, even with advancements in chemotherapy and targeted therapies. Developing new biomarkers and therapeutic targets is essential to enhancing prognosis and therapy effectiveness.
View Article and Find Full Text PDFPurpose: The degenerative joint disease is a temporomandibular disorder. By analysing texture parameters, it becomes possible to characterize and differentiate various tissues, based on their textural properties according to cone-beam computed tomography (CBCT). This study evaluated degenerative diseases in the temporomandibular joint through texture analysis.
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